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    Perfecting art of cataract surgery with guidance technologies


    Intraoperative aberrometry

    The ORA (Alcon Laboratories) and Holos IntraOp (Clarity Medical Systems) are the two units that are commercially available.

    The ORA, which is familiar to most surgeons as part of the Verion system, is excellent for determining aphakic power selections for monofocal, presbyopic-correcting, and toric IOLs, Dr. Weinstock said. It performs a pseudophakic measurement and advises the surgeon when the IOL is in the correct position and axis.

    Dr. Weinstock added that the ORA provides improved refractive outcomes in well-documented published studies.

    The newly released Holos IntraOp is similar to the ORA and provides similar measurements. Studies are currently under way to evaluate the performance of the instrument compared to ORA. “I am sure it will achieve the same goals for our patients,” Dr. Weinstock said.

    The Callisto (Carl Zeiss Meditec) and the TrueVision 3D Surgical system (TrueVision Systems) are two other devices used to facilitate intraoperative surgery. Dr. Weinstock commented that the resolution of the screen and camera of the TrueVision are so advanced that the microscope oculars are unnecessary.

    “The surgeon can sit in a comfortable position, wear 3D glasses, look at the screen, and operate directly off of it,” Dr. Weinstock said. “I operate heads up off a screen on all cataract surgeries without looking through a microscope. This is the future of cataract surgery.”

    A surgical cockpit setup allows the integration of other platforms to visualize, for example, ORA on one side of the screen and the eye on the other side. This allows the surgeon to see all needed information on one screen rather than looking away at another separate screen.

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